Home / 14,708.20-20,287.05-9,670.81

Finding the Fourth Proportional to 14,708.20, 20,287.05 and 9,670.81

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Solution

The fourth proportional to 14,708.20, 20,287.05 and 9,670.81 is: 13,338.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    14,708.20 : 20,287.05 = 9,670.81 : x
  2. Step 2: Convert to fraction form
    14,708.20/20,287.05 = 9,670.81/x
  3. Step 3: Cross multiply
    14,708.20x = 20,287.05 × 9,670.81
  4. Step 4: Simplify right side
    14,708.20x = 196,192,104.58
  5. Step 5: Solve for x
    x = 196,192,104.58/14,708.20
  6. Step 6: Final answer
    x = 13,338.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.